N S, J V. A STUDY ON PROBLEM SOLVING ABILITY AND ACHIEVEMENT IN PHYSICS OF HIGHER SECONDARY STUDENTS IN COIMBATORE DISTRICT. Int. J. Res. Granthaalayah [Internet]. 2017 Jun. 30 [cited 2024 May 4];5(6):519-26. Available from: https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG17_A06_440